一类经典无界自旋系统压力解析性的直接方法
Towards a Direct Method for the Analyticity of the Pressure for Certain Classical Unbounded Spin Systems
摘要：
本文的目的是研究某些经典无界自旋模型压力解析性的直接方法。我们提供了一个表示的威滕拉普拉斯算子的一种形式的n阶导数的压力作为函数的一些序参量t。该技术涉及B引入的两个函数的协方差公式。Helffer和J. Sjostrand.
英文摘要：
The aim of this paper is to study direct methods for the analyticity of the pressure for certain classical unbounded spin models. We provide a representation in terms of the Witten Laplacian on one-forms of the nth-derivative of the pressure as function of some order parameter t . The technique involves the formula for the covariance of two functions introduced by B. Helffer and J. Sjostrand.
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